'X-Men: Days Of Future Past' NEW Trailer: Sentinels Are On The Prowl As Professor X And Magneto Team Up To Save Mutant Kind (VIDEO)

Marvel has released another exclusive trailer for the upcoming "X-Men: Days of Future Past" film.

The trailer shows Professor Xavier (Patrick Stewart) and Magneto (Ian McKellen) discussing how in order to end the war against mutants, they must work together to stop it before it happens. Wolverine travels back in time to convince a young Xavier he must rise above the mutiny to save the world from chaos.

"X-Men: Days of Future Past" also features Sentinels, robot weapons created to hunt and kill mutants. There is one scene shown in the trailer which a Sentinel sneaks up behind Storm (Halle Berry), but it is unclear if she survives the encounter with the deadly machines.

You can check out the newest trailer for the film in the video below. "X-Men: Days of Future Past" will debut in theaters on May 23.

The Marvel film features both old and new generation of "X-Men" characters coexisting in the same universe through time travel. In an interview with Collider back in February, director Bryan Singer explained how the production was able to create a cohesive story line in a complex context.

"I wanted it to make sense, and very often with time travel, and this is a rare film where past and future are co-existing, so I had to create a set of rules where that made sense to me," Singer explained to Collider. "So that's what I set about I do I created a very specific set of rules. When do things change? Who observes the change? Who has no memory of the change? Who has no memory of what was and who does, and how that works."

"I think I cracked it," he added. "I think I figured it out but that was my first, when Matthew left the picture and I took it on, that didn't exist, there was a structure but there was no concept of time travel or how it works. So until I figured that out I had some misgivings about doing the movie. Once I figured that out I was very hooked, I felt like they had me cause I was like now I know how to do this and shoot this."

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